[填空题]
A person exerts a force of 55t1 1 d*xxw u*mytpk)h3ndge1pwkla -ii:5 70hN on the end of a door 74 cm wide. What is the magnitude of the torque if the for-:5wp h7nidlei1akg0 ce is exerted (a) perpendicular to the door $m \cdot N$ (b) at a 45 $^{\circ} $ angle to the face of the door? $m \cdot N$
Post time 2025-2-18 20:00:22
